Oppo Enco Free 2 True Wireless Stereo (TWS) Earphones vs Sennheiser IE 100 Pro + BT Connector Wireless Earphones

  • Oppo Enco Free 2 True Wireless Stereo (TWS) Earphones were first released on 28th May 2021. This version of Oppo headphones has bluetooth support 5.2. Its battery life is 30hrs, helping you comfortably use it throughout a long active day.
  • Sennheiser IE 100 Pro + BT Connector Wireless Earphones were first released on 22nd July 2021.
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Microphone
Yes
Yes
Release date
28th May 2021
22nd July 2021
Model Number
ETI71
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Driver Type
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Dynamic
Driver Size (mm)
10
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Water Resistant
IP54
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Bluetooth
Yes
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Bluetooth Version
5.2
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Charging Port
USB Type-C
USB Type-C
Battery Life (Hrs)
30
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Charging Time (Hrs)
1.5
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Impedance (Ohms)
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20
Frequency Response Range
20Hz-20,000Hz
20Hz-18,000Hz